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Unread 04-14-2008, 04:59 PM   #1
Dobri
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Mud bed with pvc membrane vs. Mud bed with Waterproof membrane

I start hearing of so many guys doing the shower pan with only one bed and then waterproofing it with redguard or other type waterpoof membrane. It makes sense to me and i think it's so much better not to have the pvc liner under the bed, that way you are not gonna have all this water absorbing through the bed under the tile. Why the companies don't start recommending this way of doing it....is it right?How do you do it? Anyone have it done and have pictures?
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Unread 04-14-2008, 05:02 PM   #2
Scooter
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Having the membrane above the bed is a relatively new approach, mastered by Schulter. The other ways mentioned by you have a distinct disadvantage in that the weak link is the connection to the drain. Schulter solved that problem but you have to buy their drain.

Mud, at a 5-1 ratio, is awfully porous, so assuming one has an aggressive preslope, the setting bed will not be terribly wet.
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